👉 In mathematics, an insphere is a sphere that touches all of its faces. It is named after the Greek word "isos", which means "equal" or "same". An insphere is also known as an ellipsoid with equal radii to all of its faces. For example, in the figure below, the insphere of the sphere is shown: ```latex \begin{center} \begin{figure}[htp] \centering \includegraphics[
